Oil injector dismounting and mounting tool

Abstract

The utility model belongs to the field of engine component manufacturing, propose a kind of oil atomizer dismounting tool, including fixed base, the fixed base is provided with the clamping mouth of U type, fixed base is provided with connecting plate in the position deviating from clamping mouth, the top of connecting plate is provided with fixed plate, fixed plate is provided with four positioning holes for the cooperation with the four needles of oil atomizer in the position away from connecting plate. The utility model can be positioned by four needles of oil atomizer by the positioning hole provided on fixed plate, the body of oil atomizer is positioned by fixed base and fixed plate, after assembling, fixed base is clamped on bench vice, subsequent dismounting operation is facilitated, and the device can be operated by a single person, the problem of easy damage during oil atomizer dismounting process is also solved, it is reasonable in design, simple in structure, strong in practicality, and suitable for large-scale promotion.

Description

Technical Field

[0001] This utility model belongs to the field of engine component manufacturing, and relates to fuel injectors, and more particularly to a fuel injector disassembly and assembly tooling. Background Technology

[0002] The current method of assembling and disassembling fuel injectors requires two people working together. During the operation, the fuel injector is first clamped and secured in a bench vise. One person manually holds the four injector pins in place using a tool to prevent relative rotation between them and the injector body. The other person then clamps the injector with a tool and uses a torque wrench to remove it. Generally, this method makes it difficult to effectively control the rotation of the four pins, requiring two skilled and experienced workers. Otherwise, damage to the fuel injector can easily occur during operation, resulting in significant economic losses and increased manufacturing and maintenance costs. Utility Model Content

[0003] This utility model addresses the aforementioned technical problems in injector disassembly and assembly by proposing a reasonably designed, simple structure injector disassembly and assembly fixture that can solve the problem of rotation of the four needles during injector disassembly.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: the injector disassembly and assembly fixture provided by this utility model includes a fixed base, a U-shaped clamping port on the fixed base, a connecting plate on the fixed base at a position offset from the clamping port, a fixing plate on the top of the connecting plate, and four positioning holes on the fixing plate at a position away from the connecting plate for cooperating with the four needles of the injector.

[0005] Preferably, the fixing base is provided with a socket, the bottom of the connecting plate is provided with a plug that mates with the socket, and the top of the fixing plate is provided with a pair of first bolts that connect the fixing plate and the connecting plate from top to bottom.

[0006] Preferably, the inner wall of the clamping opening is provided with an arc-shaped clamping surface.

[0007] Preferably, the connecting plate has a second bolt on the side facing away from the clamping opening, which is used to connect the horizontal fixing seat to the connecting plate.

[0008] Preferably, the four positioning holes are symmetrically distributed in pairs.

[0009] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0010] The injector disassembly and assembly fixture provided by this utility model can locate the four needles of the injector through the positioning holes provided on the fixing plate. The fixing base and the fixing plate clamp and position the injector body. After assembly, the fixing base is clamped in a bench vise, which facilitates subsequent disassembly and assembly operations. Moreover, this device can be operated by a single person, and it also solves the problem of easy damage during the disassembly and assembly of injectors. It has a reasonable design, simple structure, and strong practicality, and is suitable for large-scale promotion. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 Working diagram of the injector disassembly and assembly fixture provided in the embodiment;

[0013] Figure 2 A front view of the injector disassembly and assembly fixture provided in the embodiment;

[0014] In the above figures: 1. Fixed base; 2. Clamping port; 3. Connecting plate; 4. Fixed plate; 5. Positioning hole; 6. Insertion port; 7. Insertion block; 8. First bolt; 9. Clamping surface; 10. Second bolt; 11. Injector. Detailed Implementation

[0015] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0016] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0017] Examples, such as Figure 1 and Figure 2As shown, the injector disassembly and assembly tooling provided by this utility model includes a fixed base 1, a U-shaped clamping port 2 on the fixed base 1, a connecting plate 3 at a position off from the clamping port 2, a fixing plate 4 at the top of the connecting plate 3, and four positioning holes 5 at a position away from the connecting plate 3 for cooperating with the four needles of the injector 11.

[0018] Specifically, the connecting plate 3 provides a reasonable vertical span between the fixed base 1 and the fixed plate 4. The clamping port 2 inside the fixed base 1 can form multi-faceted positioning with the top surface of the fixed plate 4. At the same time, the positioning holes 5 provided on the fixed plate 4 can cooperate and position the four needles of the injector 11. The fixed base 1 and the fixed plate 4 clamp and position the body of the injector 11. After assembly, the fixed base 1 is clamped in a bench vise for easy subsequent disassembly and assembly operations. Both assembly and disassembly operations can be completed by a single person. The four needles of the injector 11 are reasonably positioned to prevent random rotation, solving the problem of easy damage during the disassembly and assembly of the injector 11. Moreover, the overall design is reasonable, the structure is simple, the cost is low, and the practicality is strong, making it easy for mass production and use.

[0019] To facilitate assembly, the mounting base 1 provided by this utility model is provided with a socket 6, the bottom of the connecting plate 3 is provided with a plug 7 that mates with the socket 6, and the top of the mounting plate 4 is provided with a pair of first bolts 8 connecting the mounting plate 4 and the connecting plate 3 from top to bottom. In this way, during the clamping and assembly of the injector 11, the clamping port 2 can be first placed on the body of the injector 11, then the connecting plate 3 can be inserted, and then the mounting plate 4 can be installed. This is particularly convenient for the positioning hole 5 to be carefully and safely fitted to the corresponding needle valve tip, and finally, the assembly can be completed by fixing it with the first bolts 8. Furthermore, the mounting base 1 provides an effective side for the cooperation of this device with the vise, facilitating the clamping of this device along with the injector 11 onto the vise for corresponding assembly and disassembly operations.

[0020] In order to improve the fit between the clamping port 2 and the injector 11, the inner wall of the clamping port 2 provided by this utility model is provided with an arc-shaped clamping surface 9. By adopting an arc-shaped design, the actual contact area between the fixed seat 1 and the side of the injector 11 can be effectively increased. In addition, the fixed seat 1 has a certain thickness, so the stability of the injector 11 being clamped can be improved.

[0021] To improve the connection reliability between the connecting plate 3 and the fixed base 1, on the one hand, friction can be increased by tightly fitting the insertion port 6 and the insertion block 7. On the other hand, the connecting plate 3 provided by this utility model is provided with a second bolt 10 horizontally connecting the fixed base 1 and the connecting plate 3 on the side facing away from the clamping port 2. The second bolt 10 and the two first bolts 8 are triangularly distributed. By tightening the first bolts 8 and the second bolts at their respective connection nodes, the connection reliability of the fixed base 1, the connecting plate 3 and the fixed plate 4 can be improved.

[0022] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A tooling for disassembling and assembling fuel injectors, characterized in that, The device includes a mounting base with a U-shaped clamping opening. A connecting plate is provided on the mounting base at a position offset from the clamping opening. A fixing plate is provided on the top of the connecting plate. The fixing plate has four positioning holes at a position away from the connecting plate for engaging with the four needles of the fuel injector.

2. The injector disassembly and assembly fixture according to claim 1, characterized in that, The fixed base is provided with a socket, the bottom of the connecting plate is provided with a plug that mates with the socket, and the top of the fixed plate is provided with a pair of first bolts that connect the fixed plate and the connecting plate from top to bottom.

3. The injector disassembly and assembly fixture according to claim 2, characterized in that, The inner wall of the clamping opening is provided with an arc-shaped clamping surface.

4. The injector disassembly and assembly fixture according to claim 3, characterized in that, The connecting plate has a second bolt on the side facing away from the clamping opening, which is a horizontal connecting fixing seat to the connecting plate.

5. The injector disassembly and assembly fixture according to claim 4, characterized in that, The four positioning holes are symmetrically distributed in pairs.

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